Spectra Premium fuel filler neck grommets are engineered, developed and validated by our in-house team of Canadian engineers ensuring it meets OE requirements. Spectra Premium fuel filler neck grommets are designed to provide a perfect leak-free seal from the filler neck to the fuel tank. Spectra Premium fuel filler neck grommet’s built a reputation in the automotive industry for quality and craftmanship. We manufacture fuel filler neck grommet’s for virtually every automobile on the road today.